[SCSI] lpfc 8.3.29: T10 Diff fixes and enhancements

T10 Diff fixes and enhancements:

- Add SLI4 Lancer support for T10 DIF / BlockGuard (121980)
- Fix SLI4 BlockGuard behavior when protection data is generated by HBA (121980)
- Enhance debugfs for injecting T10 DIF errors (123966, 132966)
- Fix Incorrect usage of bghm for BlockGuard errors (127022)

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart
2012-01-18 16:25:09 -05:00
committed by James Bottomley
parent 6b5151fd7b
commit acd6859b08
7 changed files with 1056 additions and 132 deletions

View File

@@ -1019,6 +1019,8 @@ lpfc_debugfs_dif_err_read(struct file *file, char __user *buf,
cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wapp_cnt);
else if (dent == phba->debug_writeRef)
cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wref_cnt);
else if (dent == phba->debug_readGuard)
cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rgrd_cnt);
else if (dent == phba->debug_readApp)
cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rapp_cnt);
else if (dent == phba->debug_readRef)
@@ -1057,6 +1059,8 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf,
phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp;
else if (dent == phba->debug_writeRef)
phba->lpfc_injerr_wref_cnt = (uint32_t)tmp;
else if (dent == phba->debug_readGuard)
phba->lpfc_injerr_rgrd_cnt = (uint32_t)tmp;
else if (dent == phba->debug_readApp)
phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp;
else if (dent == phba->debug_readRef)
@@ -3978,6 +3982,17 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
goto debug_failed;
}
snprintf(name, sizeof(name), "readGuardInjErr");
phba->debug_readGuard =
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
phba->hba_debugfs_root,
phba, &lpfc_debugfs_op_dif_err);
if (!phba->debug_readGuard) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
"0808 Cannot create debugfs readGuard\n");
goto debug_failed;
}
snprintf(name, sizeof(name), "readAppInjErr");
phba->debug_readApp =
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
@@ -4318,6 +4333,10 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport)
debugfs_remove(phba->debug_writeRef); /* writeRef */
phba->debug_writeRef = NULL;
}
if (phba->debug_readGuard) {
debugfs_remove(phba->debug_readGuard); /* readGuard */
phba->debug_readGuard = NULL;
}
if (phba->debug_readApp) {
debugfs_remove(phba->debug_readApp); /* readApp */
phba->debug_readApp = NULL;